Nortel Networks NN43001-301 manual Introduction, Primary Rate Interface PRI hardware requirements

Primary Rate Interface (PRI) hardware requirements 17

"Automatic clock switching" (page 72) "Clock configurations" (page 72)

Introduction

This chapter describes the basic hardware needed to equip ISDN PRI on CS 1000 and Meridian 1 systems.

Primary Rate Interface (PRI) hardware requirements

The following hardware is required to equip ISDN PRI on a Large System:

•NT6D11(AB/AE/AF) D-Channel Interface (DCH) card (for 2.0 Mb PRI)

•QPC757 D-channel Interface (DCH) for (1.5 Mb PRI)

•NT6D80 Multipurpose Serial Data Link (MSDL) card

•NTBK51 Downloadable D-Channel Daughterboard (DDCH), the NT5D97 dual-port DTI2/PRI2 card, or the NT5D12 dual-port 1.5 Mb DTI/PRI card

•NT8D72 (AB/BA) PRI2 card

•NT5D97 dual-port DTI2/PRI2 card

•QPC720 1.5 Mb PRI card

•NT5D12 dual-port 1.5 DTI/PRI card

•QPC775 or NTRB53 Clock Controller

Note: The NTRB53 Clock Controller cannot be combined with a

QPC775 or a QPC471 card in one system

Additional hardware is also required for PRI capability and applications. Installation instructions are given in other Nortel publications, or supplied by the manufacturer. This additional hardware includes:

•QPC414 Network card

•Channel Service Unit (CSU)

•Echo canceller

•ROM circuit card requirements:

—the QPC939A for a CS 1000M HG

—the QPC939A for CS 1000M SG

Note: CS 1000M MG ROM requirements are fulfilled by the NT6D66

Call Processor (CP) card.

•QMT8 Asynchronous Data Module (ADM)

Nortel Communication Server 1000

ISDN Primary Rate Interface Installation and Commissioning

NN43001-301 02.03 Standard

Release 5.5 7 December 2007

Copyright © 2003-2007, Nortel Networks